A Battery Has an Emf ε = 43

A battery has an emf ε = 43.0 V and an internal resistance r = 8.0 Ω,as shown in the figure.When the terminal voltage V_ab is equal to 34.0 V,the current through the battery,including its direction,is closest to

A) 1.1 A, from b to a.
B) 4.2 A, from b to a.
C) 1.1 A, from a to b.
D) 4.2 A, from a to b.
E) 5.4 A, from b to a.

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